[INFO] fetching crate snowchains 0.2.0... [INFO] checking snowchains-0.2.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate snowchains 0.2.0 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate snowchains 0.2.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate snowchains 0.2.0 [INFO] finished tweaking crates.io crate snowchains 0.2.0 [INFO] tweaked toml for crates.io crate snowchains 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f6928990f7ed76774d5743a1afad767dce50e3d9ed7a1c353ee9e0b56a82fa0a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "f6928990f7ed76774d5743a1afad767dce50e3d9ed7a1c353ee9e0b56a82fa0a"` [INFO] [stderr] Compiling ascii v0.9.3 [INFO] [stderr] Checking if_chain v0.1.3 [INFO] [stderr] Checking webbrowser v0.4.0 [INFO] [stderr] Compiling ring v0.16.9 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Checking rpassword v2.1.0 [INFO] [stderr] Checking bzip2-sys v0.1.7 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Checking cookie v0.11.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking robots_txt v0.6.0 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling strum_macros v0.13.0 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Checking headers-core v0.1.1 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Checking bincode v1.2.0 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tungstenite v0.9.1 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking headers v0.2.3 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking zip v0.5.3 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking once_cell v0.1.8 [INFO] [stderr] Checking tokio-process v0.2.4 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Compiling string_cache v0.7.4 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking webpki v0.21.0 [INFO] [stderr] Checking ct-logs v0.6.0 [INFO] [stderr] Checking rustls v0.16.0 [INFO] [stderr] Checking webpki-roots v0.17.0 [INFO] [stderr] Checking multipart v0.16.1 [INFO] [stderr] Checking warp v0.1.20 [INFO] [stderr] Checking tokio-rustls v0.10.2 [INFO] [stderr] Checking hyper-rustls v0.17.1 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Checking reqwest v0.9.22 [INFO] [stderr] Compiling markup5ever v0.8.1 [INFO] [stderr] Checking toml_edit v0.1.5 [INFO] [stderr] Compiling snowchains_proc_macros v0.1.0 [INFO] [stderr] Checking html5ever v0.23.0 [INFO] [stderr] Checking select v0.4.3 [INFO] [stderr] Checking snowchains v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/service/codeforces.rs:32:20 [INFO] [stderr] | [INFO] [stderr] 31 | use serde::{Deserialize, Deserializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 32 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/service/mod.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 28 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 29 | use serde_derive::Serialize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/testsuite.rs:19:33 [INFO] [stderr] | [INFO] [stderr] 18 | use serde::Serialize; [INFO] [stderr] | ---------------- previous import of the macro `Serialize` here [INFO] [stderr] 19 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/config.rs:17:20 [INFO] [stderr] | [INFO] [stderr] 16 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/config.rs:17:33 [INFO] [stderr] | [INFO] [stderr] 16 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/template.rs:18:20 [INFO] [stderr] | [INFO] [stderr] 17 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/template.rs:18:33 [INFO] [stderr] | [INFO] [stderr] 17 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/service/codeforces.rs:32:20 [INFO] [stderr] | [INFO] [stderr] 31 | use serde::{Deserialize, Deserializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 32 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/service/mod.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 28 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 29 | use serde_derive::Serialize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/testsuite.rs:19:33 [INFO] [stderr] | [INFO] [stderr] 18 | use serde::Serialize; [INFO] [stderr] | ---------------- previous import of the macro `Serialize` here [INFO] [stderr] 19 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/config.rs:17:20 [INFO] [stderr] | [INFO] [stderr] 16 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/config.rs:17:33 [INFO] [stderr] | [INFO] [stderr] 16 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stderr] --> src/template.rs:18:20 [INFO] [stderr] | [INFO] [stderr] 17 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | ----------- previous import of the macro `Deserialize` here [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^-- [INFO] [stderr] | | [INFO] [stderr] | `Deserialize` reimported here [INFO] [stderr] | help: remove unnecessary import [INFO] [stderr] | [INFO] [stderr] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stderr] --> src/template.rs:18:33 [INFO] [stderr] | [INFO] [stderr] 17 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stderr] | --------- previous import of the macro `Serialize` here [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stderr] | [INFO] [stderr] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stderr] [INFO] [stderr] warning: unused import: `Deserialize` [INFO] [stderr] --> src/service/codeforces.rs:32:20 [INFO] [stderr] | [INFO] [stderr] 32 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_derive::Serialize` [INFO] [stderr] --> src/service/mod.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use serde_derive::Serialize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Serialize` [INFO] [stderr] --> src/testsuite.rs:19:33 [INFO] [stderr] | [INFO] [stderr] 19 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/config.rs:17:20 [INFO] [stderr] | [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/template.rs:18:20 [INFO] [stderr] | [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Deserialize` [INFO] [stderr] --> src/service/codeforces.rs:32:20 [INFO] [stderr] | [INFO] [stderr] 32 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_derive::Serialize` [INFO] [stderr] --> src/service/mod.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use serde_derive::Serialize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Serialize` [INFO] [stderr] --> src/testsuite.rs:19:33 [INFO] [stderr] | [INFO] [stderr] 19 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/config.rs:17:20 [INFO] [stderr] | [INFO] [stderr] 17 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/template.rs:18:20 [INFO] [stderr] | [INFO] [stderr] 18 | use serde_derive::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0252`. [INFO] [stderr] error: could not compile `snowchains`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0252`. [INFO] [stderr] error: could not compile `snowchains`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f6928990f7ed76774d5743a1afad767dce50e3d9ed7a1c353ee9e0b56a82fa0a"` [INFO] running `"docker" "rm" "-f" "f6928990f7ed76774d5743a1afad767dce50e3d9ed7a1c353ee9e0b56a82fa0a"` [INFO] [stdout] f6928990f7ed76774d5743a1afad767dce50e3d9ed7a1c353ee9e0b56a82fa0a